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openmpi/ompi/mpi/c/file_set_errhandler.c
Greg Koenig 60485ff95f This is a very large change to rename several #define values from
OMPI_* to OPAL_*.  This allows opal layer to be used more independent
from the whole of ompi.

NOTE: 9 "svn mv" operations immediately follow this commit.

This commit was SVN r21180.
2009-05-06 20:11:28 +00:00

84 строки
2.7 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/file/file.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_File_set_errhandler = PMPI_File_set_errhandler
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_File_set_errhandler";
int MPI_File_set_errhandler( MPI_File file, MPI_Errhandler errhandler)
{
MPI_Errhandler tmp;
OPAL_CR_NOOP_PROGRESS();
/* Error checking */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
/* Note that MPI-2:9.7 (p265 in the ps; p261 in the pdf)
explicitly says that you are allowed to set the error
handler on MPI_FILE_NULL */
if (NULL == file) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, MPI_ERR_FILE,
FUNC_NAME);
} else if (NULL == errhandler ||
MPI_ERRHANDLER_NULL == errhandler ||
(OMPI_ERRHANDLER_TYPE_FILE != errhandler->eh_mpi_object_type &&
OMPI_ERRHANDLER_TYPE_PREDEFINED != errhandler->eh_mpi_object_type) ) {
return OMPI_ERRHANDLER_INVOKE(file, MPI_ERR_ARG, FUNC_NAME);
}
}
/* Ditch the old errhandler, and decrement its refcount. On 64
bits environments we have to make sure the reading of the
error_handler became atomic. */
do {
tmp = file->error_handler;
} while (!OPAL_ATOMIC_CMPSET(&(file->error_handler), tmp, tmp));
OBJ_RELEASE(tmp);
/* Now set the new errhandler and increase its refcount */
do {
file->error_handler = errhandler;
} while (!OPAL_ATOMIC_CMPSET(&(errhandler), file->error_handler,
file->error_handler));
file->error_handler = errhandler;
OBJ_RETAIN(errhandler);
/* All done */
return MPI_SUCCESS;
}